“Id like to know what caused the change in Mr. Priebus.”
He can read polls.
Something has changed. Romney, Jeb Bush, Boehner and McConnell are all still wobbly on the issue.
If the GOP takes Obama's bait and works on "immigration reform" first, they are toast. It's the economy. Approve Keystone. Approve other drilling. Rein in the EPA, end the war on coal. There's a whole number of things to do. Reduce the corporate tax to bring back the $2 trillion US corporations have outside the US, but with some informal deal that they'll invest it here.